问题
填空题
20克盐溶入200克水中,盐与水的比是______,比值是______.
答案
(1)20:200,
=(20÷20):(200÷20),
=1:10;
(2)20:200,
=20÷200,
=0.1;
故答案为:1:10,0.1.
20克盐溶入200克水中,盐与水的比是______,比值是______.
(1)20:200,
=(20÷20):(200÷20),
=1:10;
(2)20:200,
=20÷200,
=0.1;
故答案为:1:10,0.1.